Disc storage device



FIG. 1 is a front view of a disc storage device incorporating my design;

FIG. 2 is a rear view thereof;

FIG. 3 is an elevation view thereof from the left side;

FIG. 4 is an elevation view thereof from the right side;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof from the top right side.

The ornamental design for a “disc storage device”, as shown anddescribed.